1619380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2372300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 269, 301, 430, 538, 602, 860, 1076, 1204, 1345, 1505, 1883, 2690, 3010, 3766, 5380, 6020, 7532, 9415, 11567, 18830, 23134, 37660, 46268, 57835, 80969, 115670, 161938, 231340, 323876, 404845, 809690, 1619380]

約数ペア:

[(1, 1619380), (2, 809690), (4, 404845), (5, 323876), (7, 231340), (10, 161938), (14, 115670), (20, 80969), (28, 57835), (35, 46268), (43, 37660), (70, 23134), (86, 18830), (140, 11567), (172, 9415), (215, 7532), (269, 6020), (301, 5380), (430, 3766), (538, 3010), (602, 2690), (860, 1883), (1076, 1505), (1204, 1345)]